src/viewextensionsfactory.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2009 by Peter Penz <peter.penz@gmx.at>                  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "viewextensionsfactory.h"
  21
  22 #include "dolphincontroller.h"
  23 #include "dolphinfileitemdelegate.h"
  24 #include "dolphinsortfilterproxymodel.h"
  25 #include "dolphinview.h"
  26 #include "dolphinviewautoscroller.h"
  27 #include "selectionmanager.h"
  28 #include "settings/dolphinsettings.h"
  29 #include "tooltips/tooltipmanager.h"
  30 #include "versioncontrolobserver.h"
  31
  32 #include "dolphin_generalsettings.h"
  33
  34 #include <kdirlister.h>
  35 #include <kdirmodel.h>
  36 #include <kfilepreviewgenerator.h>
  37 #include <QAbstractItemView>
  38
  39 ViewExtensionsFactory::ViewExtensionsFactory(QAbstractItemView* view,
  40                                              DolphinController* controller) :
  41     QObject(view),
  42     m_view(view),
  43     m_controller(controller),
  44     m_toolTipManager(0),
  45     m_previewGenerator(0),
  46     m_selectionManager(0),
  47     m_autoScroller(0),
  48     m_fileItemDelegate(0),
  49     m_versionControlObserver(0)
  50 {
  51     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
  52
  53     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  54
  55     // initialize tooltips
  56     if (settings->showToolTips()) {
  57         DolphinSortFilterProxyModel* proxyModel = static_cast<DolphinSortFilterProxyModel*>(view->model());
  58         m_toolTipManager = new ToolTipManager(view, proxyModel);
  59
  60         connect(controller, SIGNAL(hideToolTip()),
  61                 m_toolTipManager, SLOT(hideTip()));
  62     }
  63
  64     // initialize preview generator
  65     m_previewGenerator = new KFilePreviewGenerator(view);
  66     m_previewGenerator->setPreviewShown(controller->dolphinView()->showPreview());
  67     connect(controller, SIGNAL(zoomLevelChanged(int)),
  68             this, SLOT(slotZoomLevelChanged()));
  69     connect(controller, SIGNAL(cancelPreviews()),
  70             this, SLOT(cancelPreviews()));
  71     connect(controller->dolphinView(), SIGNAL(showPreviewChanged()),
  72             this, SLOT(slotShowPreviewChanged()));
  73
  74     // initialize selection manager
  75     if (settings->showSelectionToggle()) {
  76         m_selectionManager = new SelectionManager(view);
  77         connect(m_selectionManager, SIGNAL(selectionChanged()),
  78                 this, SLOT(requestActivation()));
  79         connect(controller, SIGNAL(urlChanged(const KUrl&)),
  80                 m_selectionManager, SLOT(reset()));
  81     }
  82
  83     // initialize auto scroller
  84     m_autoScroller = new DolphinViewAutoScroller(view);
  85
  86     // initialize file item delegate
  87     m_fileItemDelegate = new DolphinFileItemDelegate(view);
  88     m_fileItemDelegate->setShowToolTipWhenElided(false);
  89     view->setItemDelegate(m_fileItemDelegate);
  90
  91     // initialize version control observer
  92     const DolphinView* dolphinView = controller->dolphinView();
  93     m_versionControlObserver = new VersionControlObserver(view);
  94     connect(m_versionControlObserver, SIGNAL(infoMessage(const QString&)),
  95             dolphinView, SIGNAL(infoMessage(const QString&)));
  96     connect(m_versionControlObserver, SIGNAL(errorMessage(const QString&)),
  97             dolphinView, SIGNAL(errorMessage(const QString&)));
  98     connect(m_versionControlObserver, SIGNAL(operationCompletedMessage(const QString&)),
  99             dolphinView, SIGNAL(operationCompletedMessage(const QString&)));
 100     connect(controller, SIGNAL(requestVersionControlActions(const KFileItemList&)),
 101             this, SLOT(slotRequestVersionControlActions(const KFileItemList&)));
 102
 103     // react on view property changes
 104     connect(dolphinView, SIGNAL(showHiddenFilesChanged()),
 105             this, SLOT(slotShowHiddenFilesChanged()));
 106     connect(dolphinView, SIGNAL(sortingChanged(DolphinView::Sorting)),
 107             this, SLOT(slotSortingChanged(DolphinView::Sorting)));
 108     connect(dolphinView, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 109             this, SLOT(slotSortOrderChanged(Qt::SortOrder)));
 110     connect(dolphinView, SIGNAL(sortFoldersFirstChanged(bool)),
 111             this, SLOT(slotSortFoldersFirstChanged(bool)));
 112
 113     // inform the controller about selection changes
 114     connect(view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
 115             controller, SLOT(emitSelectionChanged()));
 116
 117     connect(controller, SIGNAL(nameFilterChanged(const QString&)),
 118             this, SLOT(slotNameFilterChanged(const QString&)));
 119
 120     view->viewport()->installEventFilter(this);
 121 }
 122
 123 ViewExtensionsFactory::~ViewExtensionsFactory()
 124 {
 125 }
 126
 127 void ViewExtensionsFactory::handleCurrentIndexChange(const QModelIndex& current, const QModelIndex& previous)
 128 {
 129     m_autoScroller->handleCurrentIndexChange(current, previous);
 130 }
 131
 132 DolphinFileItemDelegate* ViewExtensionsFactory::fileItemDelegate() const
 133 {
 134     return m_fileItemDelegate;
 135 }
 136
 137 bool ViewExtensionsFactory::eventFilter(QObject* watched, QEvent* event)
 138 {
 139     Q_UNUSED(watched);
 140     if ((event->type() == QEvent::Wheel) && (m_selectionManager != 0)) {
 141         m_selectionManager->reset();
 142     }
 143     return false;
 144 }
 145
 146 void ViewExtensionsFactory::slotZoomLevelChanged()
 147 {
 148     m_previewGenerator->updateIcons();
 149     if (m_selectionManager != 0) {
 150         m_selectionManager->reset();
 151     }
 152 }
 153
 154 void ViewExtensionsFactory::cancelPreviews()
 155 {
 156     m_previewGenerator->cancelPreviews();
 157 }
 158
 159 void ViewExtensionsFactory::slotShowPreviewChanged()
 160 {
 161     const bool show = m_controller->dolphinView()->showPreview();
 162     m_previewGenerator->setPreviewShown(show);
 163 }
 164
 165 void ViewExtensionsFactory::slotShowHiddenFilesChanged()
 166 {
 167     KDirModel* dirModel = static_cast<KDirModel*>(proxyModel()->sourceModel());
 168     KDirLister* dirLister = dirModel->dirLister();
 169
 170     dirLister->stop();
 171
 172     const bool show = m_controller->dolphinView()->showHiddenFiles();
 173     dirLister->setShowingDotFiles(show);
 174
 175     const KUrl url = dirLister->url();
 176     if (url.isValid()) {
 177         dirLister->openUrl(url, KDirLister::NoFlags);
 178     }
 179 }
 180
 181 void ViewExtensionsFactory::slotSortingChanged(DolphinView::Sorting sorting)
 182 {
 183     proxyModel()->setSorting(sorting);
 184 }
 185
 186 void ViewExtensionsFactory::slotSortOrderChanged(Qt::SortOrder order)
 187 {
 188     proxyModel()->setSortOrder(order);
 189 }
 190
 191 void ViewExtensionsFactory::slotSortFoldersFirstChanged(bool foldersFirst)
 192 {
 193     proxyModel()->setSortFoldersFirst(foldersFirst);
 194 }
 195
 196 void ViewExtensionsFactory::slotNameFilterChanged(const QString& nameFilter)
 197 {
 198     proxyModel()->setFilterRegExp(nameFilter);
 199 }
 200
 201 void ViewExtensionsFactory::slotRequestVersionControlActions(const KFileItemList& items)
 202 {
 203     QList<QAction*> actions;
 204     if (items.isEmpty()) {
 205         const KDirModel* dirModel = static_cast<const KDirModel*>(proxyModel()->sourceModel());
 206         const KUrl url = dirModel->dirLister()->url();
 207         actions = m_versionControlObserver->contextMenuActions(url.path(KUrl::AddTrailingSlash));
 208     } else {
 209         actions = m_versionControlObserver->contextMenuActions(items);
 210     }
 211     m_controller->setVersionControlActions(actions);
 212 }
 213
 214 void ViewExtensionsFactory::requestActivation()
 215 {
 216     m_controller->requestActivation();
 217 }
 218
 219 DolphinSortFilterProxyModel* ViewExtensionsFactory::proxyModel() const
 220 {
 221     return static_cast<DolphinSortFilterProxyModel*>(m_view->model());
 222 }
 223
 224 #include "viewextensionsfactory.moc"
 225